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# AppExtensionPoint.UserInterface

A type with that indicates whether the extension point displays UI from an app extension.

```
struct UserInterface
```

## Overview

Add a `UserInterface` type in an extension point definition and initialize it with a Boolean
value. Specify `true` if your extension point supports custom UI or `false` if it doesn’t.

## Topics

### Creating a user-interface attribute

[`init(Bool)`](/documentation/ExtensionFoundation/AppExtensionPoint/UserInterface/init(_:))

Initializes the type with the specified Boolean value.

### Getting the value

[`let value: Bool`](/documentation/ExtensionFoundation/AppExtensionPoint/UserInterface/value)

## Relationships

### Conforms To

[`Attribute`](/documentation/ExtensionFoundation/AppExtensionPoint/Attribute)

---

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